Antonyms for the word "most appreciated" include "least valued," "ungrateful," "disliked," "scorned," and "ignored." When someone or something is "least valued," they are not treasured or held in high esteem. "Ungrateful" signifies an absence of gratitude or thanks, while "disliked" implies a sense of disdain or disapproval. "Scorned" connotes contempt or ridicule, and "ignored" suggests a lack of attention or consideration. It is essential to be mindful of these antonyms for "most appreciated" to prevent any misinterpretations or misunderstandings in communication or written text.